tinba | b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
12-02-2025 13:38

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General

Target

b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
Size

54KB
MD5

9c075695fdcd565287d2cad1f4814330
SHA1

b9d97ecc70769e7b668d91650dd2f2d08da985ee
SHA256

b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25
SHA512

5b80bb22a9c3106753c4d74d758d52ee2441f56281fcade8e7780e71db9cb6b4766ac3ce7e920b3b8067e236632c2751c5c1b4e57f860e854067b64205797495
SSDEEP

768:O3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:G5tPusSRJDTlLTOpJiaDjts4gfFi2+g

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\3DC36835 = "C:\\Users\\Admin\\AppData\\Roaming\\3DC36835\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe
2348	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2348	winver.exe
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2364 wrote to memory of 2328	2364	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	30
PID 2328 wrote to memory of 2348	2328	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	31
PID 2328 wrote to memory of 2348	2328	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	31
PID 2328 wrote to memory of 2348	2328	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	31
PID 2328 wrote to memory of 2348	2328	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	31
PID 2328 wrote to memory of 2348	2328	b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe	31
PID 2348 wrote to memory of 1228	2348	winver.exe	21
PID 2348 wrote to memory of 1108	2348	winver.exe	19
PID 2348 wrote to memory of 1176	2348	winver.exe	20
PID 2348 wrote to memory of 1228	2348	winver.exe	21
PID 2348 wrote to memory of 1604	2348	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1228
- C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
  "C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe
    "C:\Users\Admin\AppData\Local\Temp\b1c2799b3d038e31ada575f950ef44bf535c8f7c63f5aa548e1a28510d388a25.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2328
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2348

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1108-29-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1108-16-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1108-28-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1228-30-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1228-5-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1228-10-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1228-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1228-8-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1228-22-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1604-31-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/1604-24-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/1604-32-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/2328-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2348-27-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2348-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2348-4-0x0000000000F21000-0x0000000000F22000-memory.dmp

Filesize
4KB

Download
memory/2348-11-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2348-9-0x0000000000F20000-0x0000000000F36000-memory.dmp

Filesize
88KB

Download
memory/2348-39-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2348-41-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download